Post Hospital Posted December 19, 2013 Learn about early 19th-century medicine on Mackinac Island, including methods of diagnosis and treatment. How did the United States Army prevent a smallpox epidemic on the island? How prevalent was tuberculosis at Fort Mackinac and what does the virus look like under a microscope? Find out for yourself with these interactive exhibits: Children’s area containing a giant hands-on, interactive stethoscope and microscope Medical tools exhibit, including a catheter, bone saw, surgical scalpel, trephine crown for drilling into the skull, and artery forceps. Smallpox vaccination exhibit Virtual physician exhibit featuring the hologram of an actor portraying army doctor Erastus Wolcott, who served at Fort Mackinac in the 19th-century, examining patients and making diagnosises; and a hologram of a modern doctor comparing Dr. Wolcott’s diagnosis and treatment of these real historic medical cases to the modern diagnosis and treatment.